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(11)

EP 2 507 186 A1

(12)

(43) Date of publication: 10.10.2012 Bulletin 2012/41 (21) Application number: 10787432.3 (22) Date of filing: 03.12.2010

(51) International Patent Classification (IPC):  C03C 17/30(2006.01) C09D 4/00(2006.01) C09J 5/02(2006.01) C08J 7/04(2006.01) C09D 183/04(2006.01) H01L 21/00(2006.01) (86) International application number: PCT/EP2010/068858 (87) International publication number: WO 2011/067383 (09.06.2011 Gazette 2011/23)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 04.12.2009 US 266611 P (71) Applicants: Oclaro Technology Limited Caswell Towcester Northamptonshire NN12 8EQ (GB) Loughborough University Leicestershire LE11 3TU (GB)	(72) Inventors: WILLIAMS, Owain Norwich Norfolk NR6 6DD (GB) LIU, Changqing Loughborough Leicestershire LE11 3RX (GB) WEBB, Patrick Loughborough Leicestershire LE11 2RN (GB) FIRTH, Paul Nr Totnes Devon TQ9 6OL (GB) (74) Representative: Mitchell, Matthew Benedict David et al Marks & Clerk LLP Fletcher House Heatley Road The Oxford Science Park Oxford OX4 4GE Oxford OX4 4GE (GB)